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/*
* spi.h
*
* Copyright (C) 2018, 2019 Mind Chasers Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef SPI_H_
#define SPI_H_
/*******************************************************************************
* SPI Definitions
******************************************************************************/
#define DSPI_MASTER_BASEADDR SPI0
#define DSPI_MASTER_CLK_SRC DSPI0_CLK_SRC
#define DSPI_MASTER_CLK_FREQ CLOCK_GetFreq(DSPI0_CLK_SRC)
#define DSPI_TRANSFER_BAUDRATE 1000000U /*! Transfer baudrate - 1M */
/* Memory Address Map
* 9-bit words are transferred
* DEV_AD, RWN
* MEM_AD
*/
#define SPI_READ 1
#define SPI_WRITE 0
#define SPI_DEV_AD_SCI_SEL_CH_0 0x00
#define SPI_DEV_AD_SCI_SEL_CH_1 0x01
#define SPI_DEV_AD_DUAL_0 0x02
#define SPI_DEV_AD_SCI_SEL_CH_2 0x04
#define SPI_DEV_AD_SCI_SEL_CH_3 0x05
#define SPI_DEV_AD_DUAL_1 0x06
#define SPI_DEV_AD_DPRAM_RX 0x08
#define SPI_DEV_AD_DPRAM_TX 0x0c
#define SPI_DEV_AD_DPRAM_PTRS 0x10
#define SPI_DEV_AD_INT_SEL 0X11
#define SPI_DEV_AD_PARAM_0 0x20
#define SPI_DEV_AD_PARAM_1 0x24
#define SPI_DEV_AD_PARAM_2 0x28
#define SPI_DEV_AD_PARAM_2 0x2C
#define SPI_DEV_AD_PKT_FILTER_01 0X41
#define SPI_DEV_AD_PKT_FILTER_02 0X42
#define SPI_DEV_AD_PKT_FILTER_03 0X43
#define SPI_DEV_AD_PKT_FILTER_10 0X48
#define SPI_DEV_AD_PKT_FILTER_12 0X4a
#define SPI_DEV_AD_PKT_FILTER_13 0X4b
#define SPI_DEV_AD_PKT_FILTER_20 0x50
#define SPI_DEV_AD_PKT_FILTER_21 0X51
#define SPI_DEV_AD_PKT_FILTER_23 0X53
int spi_init(dspi_master_config_t);
int test_spi(uint8_t, uint8_t);
int write_spi(uint8_t, uint8_t, uint8_t*, uint8_t);
int read_spi(uint8_t, uint8_t, uint8_t*, uint8_t);
#endif /* SPI_H_ */
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